Osmosis Can Occur When a Membrane Is

question 1

Multiple Choice

Osmosis can occur when a membrane is

• A)impermeable.
• B)semipermeable.
• C)permeable.
• D)plasmolyzed.
• E)absent.

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Definitions:

Myelin Sheath

A layer of fatty tissue encasing the fibers of many neurons, which enhances the speed and efficiency of electrical signals traveling along the nerve cells.

Axon

An extended, narrow part of a nerve cell, known as a neuron, that generally carries electrical impulses from the neuron's main body.

Electrical Impulses

The signals that neurons use to communicate with each other, consisting of changes in electric potential across neuronal membranes.

Reticular Formation

A network of neurons located in the brainstem, involved in controlling arousal and attention.